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Goodwill and Other Intangible Assets
12 Months Ended
Dec. 31, 2018
Goodwill and Other Intangible Assets  
Goodwill and Other Intangible Assets

6.    Goodwill and Other Intangible Assets

Goodwill was $6,430 million and $6,247 million as of December 31, 2018 and 2017, respectively. The $183 million increase in goodwill during 2018 is primarily related to acquisitions partially offset by translation adjustments related to our Canadian operations, divestitures and an impairment charge, which is discussed below.

As discussed more fully in Note 3, we perform our annual impairment test of goodwill balances for our reporting units using a measurement date of October 1. We will also perform interim tests if an impairment indicator exists. During the fourth quarter of 2018, we recorded a goodwill impairment charge of $6 million related to our LampTracker® reporting unit, as a result of our annual impairment test, as the carrying value including goodwill exceeded the estimated fair value. Fair value was estimated using an income approach based on long-term projected discounted future cash flows of the reporting unit.

See Notes 11, 17 and 19 for additional information related to goodwill.

Our other intangible assets consisted of the following as of December 31 (in millions):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    

Customer

    

Covenants

    

Licenses,

    

 

 

 

 

and Supplier

 

Not-to-

 

Permits

 

 

 

 

    

Relationships

    

Compete

    

and Other

    

 Total

2018

 

 

  

 

 

  

 

 

  

 

 

  

Intangible assets

 

$

949

 

$

60

 

$

109

 

$

1,118

Less: Accumulated amortization

 

 

(461)

 

 

(24)

 

 

(61)

 

 

(546)

 

 

$

488

 

$

36

 

$

48

 

$

572

2017

 

 

  

 

 

  

 

 

  

 

 

  

Intangible assets

 

$

880

 

$

48

 

$

124

 

$

1,052

Less: Accumulated amortization

 

 

(422)

 

 

(21)

 

 

(62)

 

 

(505)

 

 

$

458

 

$

27

 

$

62

 

$

547

 

Amortization expense for other intangible assets was $101 million, $96 million and $100 million for 2018, 2017 and 2016, respectively. As of December 31, 2018, we had $18 million of licenses, permits and other intangible assets that are not subject to amortization because they do not have stated expirations or have routine, administrative renewal processes. Additional information related to other intangible assets acquired through business combinations is included in Note 17. As of December 31, 2018, we expect annual amortization expense related to other intangible assets to be $105 million in 2019, $94 million in 2020, $79 million in 2021, $63 million in 2022 and $55 million in 2023.